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  • Annealing is to restore the plasticity of wire, improve the tensile strength of wire, hardness, elastic limit, etc., the wire after annealing is called annealing wire. In the production process of annealing wire, it is very important to ensure the quality of the finished wire, make the wire have certain strength and suitable degree of soft and hard. The annealing temperature is between 800 ℃ and 850℃, and the length of furnace tube is lengthened appropriately for enough holding time.

    t25 drywall screws

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    t25 drywall screws t25 drywall screws

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  • t25 drywall screws

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  • Post time: 20-02-23

    t25 drywall screws

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    t25 drywall screws t25 drywall screws

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  • t25 drywall screws

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    t25 drywall screws t25 drywall screws

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  • Wire-welding

    t25 drywall screws

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